#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int x; cin>>x; if(x<0){ cout<<-1<<endl;; } else if(x==0){ cout<<0<<endl; } else{ cout<<1<<endl; } return 0; }